Nilfisk-Advance SC401 Series - Troubleshooting and Fault Codes

37Service Manual – SC401, SCRUBTEC 344 04 - Control System - Battery
Troubleshooting
General System Fault Code
Display on
the control
panel
Meaning Conditions What to do Reset
6 battery
LEDs flashing.
Brush motor
overload.
Brush motor current higher
than parameter “Brush
continuous current limit”
(default: 25 Amp) for a
period of time longer
than parameter “Time
for continuous current
overload” (default: 30 sec.).
Check if there is dust or
debris preventing the
brush rotation.
Turn off the machine
using the Main button
.
Brush motor peak current
higher then parameter
“Brush peak current limit”
(default: 40 Amp).
Total current
overload.
Brush + Vacuum motors
current higher then
parameter “Current sum
cutoff” (default: 50 Amp)
or “Current limit during
softstart” (default: 50 Amp)
for a period of time longer
than parameter “Time
for continuous current
overload” (default: 30 sec.).
Check if there is dust or
debris preventing the
brush rotation.
Check if brush or
vacuum motor are stuck
/ issue into the harness.
Vacuum
system button
LED
flashing (fast
flashing: 0.5
sec. ON - 0.5
sec. OFF).
Vacuum system
motor overload.
Vacuum system motor
current higher than
parameter “Vacuum
continuous current limit”
(default: 16 Amp) for a
period of time longer
than parameter “Time
for continuous current
overload” (default: 30 sec.).
Check if there is dust or
debris preventing the
vacuum system motor
fan rotation.
Turn off the machine
using the Main button
.
Vacuum system motor
peak current higher than
parameter “Vacuum peak
current limit” (default: 30
Amp).